import { login, logout, getInfo } from '@/api/user'
import { getToken, setToken, removeToken } from '@/utils/auth'
import router, { resetRouter } from '@/router'

const state = {
  sub: '',
  token: getToken(),
  name: '',
  avatar: '',
  introduction: '',
  roles: []
}

const mutations = {
  SET_SUB: (state, sub) => {
    state.sub = sub
  },
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_INTRODUCTION: (state, introduction) => {
    state.introduction = introduction
  },
  SET_NAME: (state, name) => {
    state.name = name
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  },
  SET_ROLES: (state, roles) => {
    state.roles = roles
  }
}

const clientSetting = {
  grant_type: 'password',
  scope: 'AuthServer Admin AdministrationService ProductService AdminGateway profile email phone address roles',
  username: '',
  password: '',
  client_id: 'Admin_Web',
  client_secret: '1q2w3e*'
}

const actions = {
  // remote
  login({ commit }, userInfo) {
    const { username, password } = userInfo
    return new Promise((resolve, reject) => {
      clientSetting.username = username.trim()
      clientSetting.password = password
      login(clientSetting).then(response => {
        commit('SET_TOKEN', response.access_token)
        setToken(response.access_token)
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },
  getInfo({ commit, state }) {
    return new Promise((resolve, reject) => {
      getInfo().then(response => {
        // const users = {
        //   'admin-token': {
        //     roles: ['admin'],
        //     introduction: 'I am a super administrator',
        //     avatar: 'https://wpimg.wallstcn.com/f778738c-e4f8-4870-b634-56703b4acafe.gif',
        //     name: 'Super Admin'
        //   },
        //   'editor-token': {
        //     roles: ['editor'],
        //     introduction: 'I am an editor',
        //     avatar: 'https://wpimg.wallstcn.com/f778738c-e4f8-4870-b634-56703b4acafe.gif',
        //     name: 'Normal Editor'
        //   }
        // }
        // const tokens = {
        //   admin: {
        //     token: 'admin-token'
        //   },
        //   editor: {
        //     token: 'editor-token'
        //   }
        // }
        const data = {
          sub: response.sub,
          roles: response.role,
          introduction: response.email,
          avatar: 'https://wpimg.wallstcn.com/f778738c-e4f8-4870-b634-56703b4acafe.gif',
          name: response.given_name
        }
        // // roles must be a non-empty array
        // if (!role || role.length <= 0) {
        //   reject('getInfo: roles must be a non-null array!')
        // }
        commit('SET_SUB', data.sub)
        commit('SET_ROLES', data.roles)
        commit('SET_NAME', data.name)
        commit('SET_AVATAR', data.avatar)
        commit('SET_INTRODUCTION', data.introduction)
        resolve(data)
      }).catch(error => {
        reject(error)
      })
    })
  },
  // user logout
  logout({ commit, state, dispatch }) {
    return new Promise((resolve, reject) => {
      logout(state.token).then(() => {
        commit('SET_TOKEN', '')
        commit('SET_ROLES', [])
        removeToken()
        resetRouter()

        // reset visited views and cached views
        // to fixed https://github.com/PanJiaChen/vue-element-admin/issues/2485
        dispatch('tagsView/delAllViews', null, { root: true })

        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // remove token
  resetToken({ commit }) {
    return new Promise(resolve => {
      commit('SET_TOKEN', '')
      commit('SET_ROLES', [])
      removeToken()
      resolve()
    })
  },

  // dynamically modify permissions
  async changeRoles({ commit, dispatch }, role) {
    const token = role + '-token'

    commit('SET_TOKEN', token)
    setToken(token)

    const { roles } = await dispatch('getInfo')

    resetRouter()

    // generate accessible routes map based on roles
    const accessRoutes = await dispatch('permission/generateRoutes', roles, { root: true })
    // dynamically add accessible routes
    router.addRoutes(accessRoutes)

    // reset visited views and cached views
    dispatch('tagsView/delAllViews', null, { root: true })
  }
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}
